Custom Search
Custom Search

Wednesday, November 26, 2008

Mobile Phones (Cell Phones)

Various Names of Mobile Phones

  • Cellular phones
  • Cell phones
  • Wireless phones

Early Days of Mobile Phones

  • First commercial launch 1978
  • First company to launch: NTT, Japan
  • First mobile phone (Nokia Communicator) to enable Internet connectivity and wireless email launched in 1996

Various Mobile Technologies

First generation systems: 1978, Japan, analog: AMPS and NMT

Second generation systems: 1991, Finland, digital: GSM, CDMA, TDMA

Third generation (3G) networks: 2001, Japan, digital: high speed data-access, W-CDMA (or UMTS), CDMA2000 EV-DO, TD-SCDMA

Applications of Mobiles

  • Voice calls
  • Voice mail
  • SMS text messaging
  • SMS voice messaging
  • MMS
  • email
  • Internet browsing and download
  • Music
  • Radio
  • Camera
  • Camcorder
  • Games
  • Personal organizer


Mobile Etiquette

  • Speak at low volume and softly, do not shout
  • Do not use while driving
  • Request for permission to use while in a gathering, group, meeting, conference, society etc
  • Switch off or keep on "silent" or "vibrate" mode when in meeting, conference, theater/multiplex, school/college class room, hospital etc
  • Switch off while travelling by airplane
  • Do not use weird, funny and disturbing ring tones

SIM Card

  • Heart of mobile
  • Full form: subscriber identity module
  • It is a microchip
  • Size: postage stamp
  • Powered by rechargeable battery

Major Manufacturers and Marketers of Mobile Handsets

  • Nokia
  • Samsung
  • Motorola
  • Sony Ericsson
  • LG
  • Apple

These companies account for around 80% market share at present. There are about 25 more companies who make and sell mobile handsets.

What to Look for While Purchasing Mobile Handset

  • Your application areas
  • Features offered in mobile handset
  • Your budget
  • Price
  • Manufacturer's rating and reputation
  • Size
  • Weight
  • Screen size
  • Looks
  • Color
  • Life
  • Ease of operation
  • Can it be used in various countries other than your country?

Mobile Safety Aspects

  • Do not keep it on your person while not in use due to its radio active nature
  • Keep it outside the reach of small children
  • Preferably use bluetooth or hands free mode
  • Make sure that it does not get wet
  • Don't allow it to fall
  • Do not use while driving
  • Do not become addict to it (like do not keep fiddling with it all day long)
  • Always keep it within your reach when away from home or even at home for receiving and sending emergency and urgent communication- that's the real use of mobile

Information on Other Products (Home Page for All Products) (Cars) (Mobile Phones) (Chocolates) (Flowers)

For General Knowledge on Other Aspects (Home Tips) (General Knowledge- GK) (GK: Top 5/Top 10)

1 comment:

  1. Sim card can't be the heart of a phone.
    A phone can work without a sim card, but a human can't live without a heart.